def start_input():
    pwd = input("please pwd")
    if len(pwd) < 10:
        raise Exception("pwd length low 10")
    return pwd


try:
    n = start_input()
    n = int(n)
    n = 5 / n
    print("res is %s" % n)
except ZeroDivisionError as e:
    print(e)
except Exception as e:
    print(e)

print("hello")


def sum(a, b) -> int:
    return a+b
